319137280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1619}}^1$

素因数の和:1660

約数の個数: 160

約数和(自身を含む): 954581760

約数和(自身を除く): 635444480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1619, 1760, 1792, 2240, 2464, 2560, 2816, 3080, 3238, 3520, 3584, 4480, 4928, 5632, 6160, 6476, 7040, 8095, 8960, 9856, 11333, 12320, 12952, 14080, 16190, 17809, 17920, 19712, 22666, 24640, 25904, 28160, 32380, 35618, 39424, 45332, 49280, 51808, 56665, 64760, 71236, 89045, 90664, 98560, 103616, 113330, 124663, 129520, 142472, 178090, 181328, 197120, 207232, 226660, 249326, 259040, 284944, 356180, 362656, 414464, 453320, 498652, 518080, 569888, 623315, 712360, 725312, 828928, 906640, 997304, 1036160, 1139776, 1246630, 1424720, 1450624, 1813280, 1994608, 2072320, 2279552, 2493260, 2849440, 2901248, 3626560, 3989216, 4144640, 4559104, 4986520, 5698880, 5802496, 7253120, 7978432, 9118208, 9973040, 11397760, 14506240, 15956864, 19946080, 22795520, 29012480, 31913728, 39892160, 45591040, 63827456, 79784320, 159568640, 319137280]

約数ペア:

[(1, 319137280), (2, 159568640), (4, 79784320), (5, 63827456), (7, 45591040), (8, 39892160), (10, 31913728), (11, 29012480), (14, 22795520), (16, 19946080), (20, 15956864), (22, 14506240), (28, 11397760), (32, 9973040), (35, 9118208), (40, 7978432), (44, 7253120), (55, 5802496), (56, 5698880), (64, 4986520), (70, 4559104), (77, 4144640), (80, 3989216), (88, 3626560), (110, 2901248), (112, 2849440), (128, 2493260), (140, 2279552), (154, 2072320), (160, 1994608), (176, 1813280), (220, 1450624), (224, 1424720), (256, 1246630), (280, 1139776), (308, 1036160), (320, 997304), (352, 906640), (385, 828928), (440, 725312), (448, 712360), (512, 623315), (560, 569888), (616, 518080), (640, 498652), (704, 453320), (770, 414464), (880, 362656), (896, 356180), (1120, 284944), (1232, 259040), (1280, 249326), (1408, 226660), (1540, 207232), (1619, 197120), (1760, 181328), (1792, 178090), (2240, 142472), (2464, 129520), (2560, 124663), (2816, 113330), (3080, 103616), (3238, 98560), (3520, 90664), (3584, 89045), (4480, 71236), (4928, 64760), (5632, 56665), (6160, 51808), (6476, 49280), (7040, 45332), (8095, 39424), (8960, 35618), (9856, 32380), (11333, 28160), (12320, 25904), (12952, 24640), (14080, 22666), (16190, 19712), (17809, 17920)]